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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 4 — Feb. 1, 2000
  • pp: 494–501

Plastic bending of sapphire fibers for infrared sensing and power-delivery applications

Limin Tong, Yonghang Shen, Fangming Chen, and Linhua Ye  »View Author Affiliations


Applied Optics, Vol. 39, Issue 4, pp. 494-501 (2000)
http://dx.doi.org/10.1364/AO.39.000494


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Abstract

Sapphire fibers with diameters of 325–850 µm were plastically bent by CO2 laser beams with typical bending radii as small as 2.8 mm. The additional optical loss caused by a single bend was less than 0.1 dB (at 900 nm), the damage threshold of the bent fibers was higher than 150 MW/cm2 for Nd:YAG laser pulses, and the high mechanical strength of the bending area was also proved. Several successful applications of bent sapphire fibers have shown that plastically bent sapphire fibers are promising for use in IR sensing and power-delivery applications.

© 2000 Optical Society of America

OCIS Codes
(060.2400) Fiber optics and optical communications : Fiber properties
(140.3390) Lasers and laser optics : Laser materials processing
(160.2290) Materials : Fiber materials
(160.4760) Materials : Optical properties

History
Original Manuscript: May 24, 1999
Revised Manuscript: September 17, 1999
Published: February 1, 2000

Citation
Limin Tong, Yonghang Shen, Fangming Chen, and Linhua Ye, "Plastic bending of sapphire fibers for infrared sensing and power-delivery applications," Appl. Opt. 39, 494-501 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-4-494

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